/*
 * Copyright (C) 2015-2018 EPAM Systems
 *
 * This file is part of Indigo ELN.
 *
 * Indigo ELN is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Indigo ELN is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Indigo ELN.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/* @ngInject */
function usersService(dictionaryService) {
    var usersPromise;
    var allUsers;

    return {
        get: function(force) {
            if (!usersPromise || force) {
                usersPromise = dictionaryService.get({
                    id: 'users'
                }).$promise.then(function(dictionary) {
                    allUsers = _.keyBy(dictionary.words, 'id');

                    return dictionary;
                });
            }

            return usersPromise;
        },
        getUsersById: getUsersById
    };

    function getUsersById(ids) {
        return _.map(ids, function(id) {
            return allUsers[id];
        });
    }
}

module.exports = usersService;
